Math, asked by Brainlyterki, 11 months ago

Help me solving the third one... I'm stuck here.. please teach me the basics..

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Answered by TeenTitansGo
17

 \bold{ \underline{ \:In  \: these \:  types  \: of  \: question, \:  we \:  multiply  \: the \:  denominator \:  \: with \:  \: opposite \: sign \: given \: in \: the \: question \:  and  \: the \:  numerator  \: as \:  well  \: as \:  by  \: the \:  denominator \: with \: opposite \: sign,  \: \: }}





In Hindi : ऐसे सवालों मे, हमे नीचे ( denominator ) एक चिन्ह को दिए गये चिन्ह से उल्टा करके उससे ऊपर ( numerator ) और नीचे ( denominator ) से गुणा करते है।






 \mathbf{ \underline{Solution : -}}




 \bold{  \frac{ \sqrt{11} -  \sqrt{5}  }{ \sqrt{11}    +   \sqrt{5} }  \times \frac{ \sqrt{11}  -   \sqrt{5}  }{ \sqrt{11}  -  \sqrt{5}  } } \\  \\  \\   \\   \bold{\frac{11 + 5 - 2 \sqrt{55} }{11 - 5}  }\\  \\  \\  \bold{ \frac{16 - 2 \sqrt{55} }{6}} \\  \\  \\   \bold{\frac{8 -  \sqrt{55} }{3} }

Brainlyterki: I have a doubt.. Can i Ask
TeenTitansGo: Sure
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